JPH0118848B2 - - Google Patents

Info

Publication number
JPH0118848B2
JPH0118848B2 JP56036912A JP3691281A JPH0118848B2 JP H0118848 B2 JPH0118848 B2 JP H0118848B2 JP 56036912 A JP56036912 A JP 56036912A JP 3691281 A JP3691281 A JP 3691281A JP H0118848 B2 JPH0118848 B2 JP H0118848B2
Authority
JP
Japan
Prior art keywords
section
blow molding
stretch blow
mold
core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP56036912A
Other languages
English (en)
Other versions
JPS57150542A (en
Inventor
Katashi Aoki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP56036912A priority Critical patent/JPS57150542A/ja
Priority to CA000397578A priority patent/CA1165068A/en
Priority to GB8207041A priority patent/GB2098915B/en
Priority to AR82288701A priority patent/AR242005A1/es
Priority to US06/356,919 priority patent/US4422843A/en
Priority to AU81316/82A priority patent/AU551061B2/en
Priority to DE19823208862 priority patent/DE3208862A1/de
Priority to NL8201020A priority patent/NL192435C/nl
Priority to IT20142/82A priority patent/IT1150297B/it
Priority to ES510400A priority patent/ES8303182A1/es
Priority to FR8204173A priority patent/FR2501572B1/fr
Priority to KR8201082A priority patent/KR890000230B1/ko
Priority to BR8201425A priority patent/BR8201425A/pt
Priority to MX191804A priority patent/MX155915A/es
Publication of JPS57150542A publication Critical patent/JPS57150542A/ja
Priority to GB08403804A priority patent/GB2135930B/en
Publication of JPH0118848B2 publication Critical patent/JPH0118848B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • B29C49/061—Injection blow-moulding with parison holding means displaceable between injection and blow stations
    • B29C49/062—Injection blow-moulding with parison holding means displaceable between injection and blow stations following an arcuate path, e.g. rotary or oscillating-type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
    • B29C49/12—Stretching rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
    • B29C49/122—Drive means therefor
    • B29C49/1222—Pneumatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4205—Handling means, e.g. transfer, loading or discharging means
    • B29C49/42073—Grippers
    • B29C49/42087—Grippers holding outside the neck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6427—Cooling of preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6604—Thermal conditioning of the blown article
    • B29C49/6605—Heating the article, e.g. for hot fill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/68—Ovens specially adapted for heating preforms or parisons
    • B29C49/681—Ovens specially adapted for heating preforms or parisons using a conditioning receptacle, e.g. a cavity, e.g. having heated or cooled regions

Description

【発明の詳細な説明】 この発明は射出成形したパリソンを直ちに中空
成形品に延伸吹込成形する機械に関するものであ
る。
機台上方に基板を水平に設け、その基板の下側
に所要数のネツク型を下面に有する回転板を取付
け、上記ネツク型の停止位置毎に射出成形部、温
度調整部、延伸吹込成形部、離型部を順に配置し
た機械（特公昭53−22096号参照）では、上記各
部の基板上に、コアやロツド、離型部材等を基板
及び回転を貫通して上下動する昇降装置が配設さ
れ、射出コアを除く他のコアやロツド等の昇降装
置は、すべて各部ごとに基板上に固定されてい
る。
この発明は上記機械が必要とするコアやロツ
ド、離型部材等の上下動を、共通の昇降装置によ
り行なえるようにし、これにより温度調整部及び
延伸吹込成形部、離型部の３個所に配設されてい
た昇降装置を除き、基板上の構造の簡素化は勿論
のこと、機械の小型化と価格の低減を図り、射出
延伸吹込機械の普及に大いに役立て得る新たな構
成の機械を提供するものである。
上記目的によるこの発明は、温度調整部、延伸
吹込成形部、離型部の三方に及ぶ作動板を基板に
佇設した案内杆と昇降装置とにより上下動自在に
保持して基板上に設け、その作動板の延伸吹込成
形部に当たる部分に延伸ロツドを貫設した吹込コ
ア及び延伸ロツド伸縮装置とを設け、かつ温度調
整部及び離型部に当たる部分には、温度調整用コ
ア及び離型部材とコアとをそれぞれ設け、上記作
動板の昇降により上記各コア及び離型部材の上下
動を同時に行なうようにしてなる。
以下この発明を図示の例により詳細に説明す
る。
１は機台で上方に所要間隔を空けて基板２が水
平に配設してある。この基板２の下側には90゜角
ごとに４個のネツク型４を下面に有する回転板３
が取付けてあり、また基板２の上面中央には、回
転板３を90゜角づつ間欠的に回転する駆動装置５
が設置してある。
上記ネツク型４の停止位置はそれぞれ射出成形
部Ａ、温度調整部Ｂ、延伸吹込成形部Ｃ、離型部
Ｄとなつており、射出成形部Ａの機台１と基板２
との間には垂直方向に開閉及び型締めされる射出
金型６が設けてある。また温度調整部Ｂにおける
機台１と基板２との間には加熱ポツト７が昇降自
在に配設され、さらに延伸吹込成形部Ｃでは水平
方向に開閉及び型締めされる吹込金型８が設けて
ある。
上記基板２の上には、温度調整部Ｂ、延伸吹込
成形部Ｃ、離型部Ｄの三方に及ぶ作動板９が、基
板上に佇設した２本の案内杆１０に上下動自在に
保持させて水平に設けてあり、かつ案内杆１０の
頂部に架設した連結板１１と作動板９とにわたり
エアシリンダによる昇降装置１２が設けてある。
また基板２の射出成形部Ａの上部には、基板２
を貫通して取付けたタイバー１３にわたり固定し
た射出コア１４の油圧装置１５が配設してある。
上記作動板９の温度調整部Ｂに位置する部分に
は、温度調整コア１６が取付けてあり、また延伸
吹込成形部Ｃに位置する部分には、延伸ロツド１
７を貫設した吹込コア１８と、エアシリンダによ
る延伸ロツド伸縮装置１９とが取付けてある。さ
らにまた離型部Ｄに位置する部分には、ネツク型
開放用のクサビ２０と、クサビ２０がネツク型に
割り込んで開く前に中空成形品内に挿入され、型
開きするネツク型から確実に中空成形品を離型す
るコア２１とからなる離型部材が取付けてあり、
各部におけるコア及びクサビ等は、作動板９の下
方移動により同時に基板２及び回転板３を貫通し
て金型やパリソン或は成形品などに挿入され、ま
た作動板９の上方移動により一斉に基板上へと引
上げられる。
なお図中２２は回転板３の位置決めピンで、作
動板９に取付けてあるが、基板２に直接設けても
よい。しかしそのような場合にはピン２２を抜き
差しするエアシリンダが必要となる。
この考案は上述のように、温度調整部Ｂ、延伸
吹込成形部Ｃ、離型部Ｄの三方に及ぶ作動板９
を、基板２に佇設した案内杆１０と昇降装置１２
とにより上下動自在に保持して基板上に設け、そ
の作動板９の延伸吹込成形部Ｃに当る部分に延伸
ロツド１７を貫設した吹込コア１８と延伸ロツド
伸縮装置１９とを設け、かつ温度調整部Ｂと離型
部に当る部分に温度調整コア１６と離型に必要な
部材２０，２１とをそれぞれ設け、作動板９によ
つて各コア及び部材を同時に作動するようにした
ので、従来必要とされていた温度調整コア、吹込
コア、離型部材等の昇降装置が不要となる。また
作動板により吹込コアを挿入したのちに延伸ロツ
ドの伸長ができるので、延伸吹込成形部における
パリソンの軸方向延伸とエア吹込の二段操作をも
円滑になすことができるなどの利点を有し、機械
の小型化はもとより、価格の低減と操作の簡略化
をも図る上においてきわめて有益なものである。
【図面の簡単な説明】
図面はこの発明に係る射出延伸吹込成形機の１
実施例を示すもので、第１図は縦断正面図、第２
図は縦断側面図、第３図は要部の斜視図である。 １……機台、２……基板、３……回転板、４…
…ネツク型、９……作動板、１０……案内杆、１
２……昇降装置、１６……温度調整コア、１７…
…延伸ロツド、１８……吹込コア、１９……延伸
ロツド伸縮装置、２０……クサビ、２１……挿入
用コア。

Claims (1)

    【特許請求の範囲】
  1. １ 機台上方に基板を水平に設け、その基板下側
    に所要数のネツク型を下面に有する回転板を備
    え、ネツク型の停止位置毎に射出成形部、温度調
    整部、延伸吹込成形部、離型部を順に配置した機
    械において、温度調整部、延伸吹込成形部、離型
    部の三方に及ぶ作動板を、基板に佇設した案内杆
    と昇降装置とにより上下動自在に保持して基板上
    に設け、その作動板の延伸吹込成形部に当たる部
    分に延伸ロツドを貫設した吹込コア及び延伸ロツ
    ド伸縮装置とを設け、かつ温度調整部と離型部に
    当たる部分には、温度調整コア及び離型に必要な
    部材とをそれぞれ設けてなることを特長とする射
    出延伸吹込成形機。
JP56036912A 1981-03-13 1981-03-13 Injection, stretching, and blow molding machine Granted JPS57150542A (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
JP56036912A JPS57150542A (en) 1981-03-13 1981-03-13 Injection, stretching, and blow molding machine
CA000397578A CA1165068A (en) 1981-03-13 1982-03-04 Injection stretching blow molding machine
GB8207041A GB2098915B (en) 1981-03-13 1982-03-10 Injection stretching blow moulding machine
AR82288701A AR242005A1 (es) 1981-03-13 1982-03-10 Una maquina de moldeo por inyeccion, estiramiento e insuflacion.
US06/356,919 US4422843A (en) 1981-03-13 1982-03-10 Injection stretching blow molding machine
NL8201020A NL192435C (nl) 1981-03-13 1982-03-11 Machine voor het door spuitgieten en rekblaasvormen vervaardigen van houders.
DE19823208862 DE3208862A1 (de) 1981-03-13 1982-03-11 Vorrichtung zum spritzgiessen von rohlingen und streck-blasformen hohler formteile
AU81316/82A AU551061B2 (en) 1981-03-13 1982-03-11 Blow moulding machine
IT20142/82A IT1150297B (it) 1981-03-13 1982-03-12 Macchina formatrice di stampaggio ad iniezione mediante soffiatura
ES510400A ES8303182A1 (es) 1981-03-13 1982-03-12 Maquina de moldeo por inyeccion, estirado y soplado.
FR8204173A FR2501572B1 (fr) 1981-03-13 1982-03-12 Machine a mouler par injection, etirage et soufflage
KR8201082A KR890000230B1 (ko) 1981-03-13 1982-03-13 사출 연신 취입 성형기
BR8201425A BR8201425A (pt) 1981-03-13 1982-03-15 Maquina de moldagem por injecao e sopro com estiramento
MX191804A MX155915A (es) 1981-03-13 1982-03-15 Mejoras en maquina estiradora para moldear por inyeccion y por insuflacion cuerpos huecos
GB08403804A GB2135930B (en) 1981-03-13 1984-02-14 Injection stretching blow moulding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56036912A JPS57150542A (en) 1981-03-13 1981-03-13 Injection, stretching, and blow molding machine

Publications (2)

Publication Number Publication Date
JPS57150542A JPS57150542A (en) 1982-09-17
JPH0118848B2 true JPH0118848B2 (ja) 1989-04-07

Family

ID=12482975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56036912A Granted JPS57150542A (en) 1981-03-13 1981-03-13 Injection, stretching, and blow molding machine

Country Status (14)

Country Link
US (1) US4422843A (ja)
JP (1) JPS57150542A (ja)
KR (1) KR890000230B1 (ja)
AR (1) AR242005A1 (ja)
AU (1) AU551061B2 (ja)
BR (1) BR8201425A (ja)
CA (1) CA1165068A (ja)
DE (1) DE3208862A1 (ja)
ES (1) ES8303182A1 (ja)
FR (1) FR2501572B1 (ja)
GB (2) GB2098915B (ja)
IT (1) IT1150297B (ja)
MX (1) MX155915A (ja)
NL (1) NL192435C (ja)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3228743C2 (de) * 1982-07-31 1985-11-14 Maschinenfabrik Köppern GmbH & Co KG, 4320 Hattingen Mehrfachspritzgießform zum gleichzeitigen Herstellen mehrerer Formlinge
JPS59120427A (ja) * 1982-12-28 1984-07-12 Katashi Aoki 射出延伸吹込成形機における２層プリフオ−ム成形装置
JPS60244518A (ja) * 1984-05-18 1985-12-04 Katashi Aoki 射出延伸吹込成形機
US4552527A (en) * 1984-10-09 1985-11-12 Sewell Plastics, Inc. Nozzle assembly
US4797084A (en) * 1985-11-29 1989-01-10 Nissei Asb Machine Co., Ltd. Mold device for molding a preform
US4952133A (en) * 1986-10-13 1990-08-28 Mitsubishi Plastics Industries Limited Apparatus for forming a blown bottle with a handle
SE500363C2 (sv) * 1988-11-14 1994-06-13 Plm Ab Förfarande vid omformning av en förform av plastmaterial med expanderbar dorn
US5102610A (en) * 1989-07-31 1992-04-07 Nissei Asb Machine Co., Ltd. Injection stretch blow molding process of performing a cycle of molding steps
US5213822A (en) * 1989-07-31 1993-05-25 Nissei Asb Machine Co., Ltd. Injection stretch blow molding apparatus
GB2251844B (en) * 1990-12-29 1995-07-05 A K Tech Lab Inc Bottle with handle
JPH082586B2 (ja) * 1991-01-31 1996-01-17 日精エー・エス・ビー機械株式会社 回転式成形機
US5290506A (en) * 1991-04-30 1994-03-01 Nissei Asb Machine Co., Ltd. Process of injection stretch blow molding hollow article having thick-walled bottom
DE69230885T3 (de) * 1991-09-17 2008-01-24 Ge Healthcare As Gasförmige ultraschallkontrastmittel
US5403177A (en) * 1993-07-16 1995-04-04 Jomar Corporation Injection stretch blow molding machine
JP2002103430A (ja) * 2000-09-29 2002-04-09 Aoki Technical Laboratory Inc ブロー成形機における回転移送装置
GB2422571A (en) * 2004-03-03 2006-08-02 Constantinos Sideris Moulding of plastics articles
BRPI0508126B1 (pt) * 2004-03-03 2015-06-16 Constantinos Sideris Conjunto de moldagem de artigos de plástico, aparelho de moldagem por injeção de artigos de plástico e método de moldagem por insuflação de artigos de plástico
JP4837442B2 (ja) * 2006-05-30 2011-12-14 株式会社青木固研究所 射出延伸ブロー成形機
CA2813825C (en) * 2010-10-26 2014-03-25 Derek Robertson Mccready A mold stack for a preform
EP2447172A1 (en) * 2010-11-02 2012-05-02 Stefano Boido Apparatus for heating containers
CN104175530A (zh) * 2014-04-04 2014-12-03 林玉斋 多动板自动制瓶机
CH710149A1 (de) * 2014-09-25 2016-03-31 Alpla Werke Kunststoffbehälter, der durch ein Streckblasverfahren aus einem Preform hergestellt ist und Streckblasverfahren zur Herstellung eines Kunststoffbehälters aus einem Preform.
CN111941802A (zh) * 2020-08-12 2020-11-17 精英模具（合肥）有限公司 一种吹塑成型的模具结构
CN112659522B (zh) * 2020-12-24 2022-03-22 石家庄中汇药品包装有限公司 防喷码晕染的塑料包装瓶及其加工工艺

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Publication number Publication date
NL192435B (nl) 1997-04-01
FR2501572A1 (fr) 1982-09-17
BR8201425A (pt) 1982-07-27
NL192435C (nl) 1997-08-04
IT8220142A0 (it) 1982-03-12
AR242005A1 (es) 1993-02-26
GB2098915B (en) 1985-01-23
MX155915A (es) 1988-05-23
US4422843A (en) 1983-12-27
JPS57150542A (en) 1982-09-17
AU551061B2 (en) 1986-04-17
DE3208862A1 (de) 1982-11-11
KR890000230B1 (ko) 1989-03-11
FR2501572B1 (fr) 1986-08-22
NL8201020A (nl) 1982-10-01
GB8403804D0 (en) 1984-03-21
CA1165068A (en) 1984-04-10
IT1150297B (it) 1986-12-10
GB2135930B (en) 1985-07-17
GB2135930A (en) 1984-09-12
ES510400A0 (es) 1983-02-01
ES8303182A1 (es) 1983-02-01
GB2098915A (en) 1982-12-01
AU8131682A (en) 1982-09-16

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